Tonight, we're learning more about a tragic accident on the hudson river near new york city this weekend. On the eve of their wedding, a bride and groom to be, on a boat with members of their wedding party. That boat slamming into a barge and tonight, two bodies now have been recoverers from the water. Feared to be the best man and that bride to be. Again tonight, abc's aditi roy. Reporter: Rescue crews pulled the body of who they believe to be mark lennon from the hudson river this afternoon. There was a jet skier, about 11:00 today. He thought what he saw was a body. He telephoned a 911 call into our communications center. Reporter: The victim was supposed to be the best man at a wedding in two weeks, and one of six peak passengers on a moonlit boat cruise involving members of that wedding party. Yesterday afternoon, authorities discovered the body of a woman they believe was the bride to be, 30-year-old lindsey stewart. Nothing but time will heal this, but it will never be forgotten. Reporter: Investigators say the man piloting the 21-foot stingray on friday night, 35-year-old jojo john, was drunk when he slammed into a barge near a major bridge. He's been charged with vehicular manslaughter. We have probable cause to believe he operated the boat while intoxicated. That's the basis for the charge. Reporter: The groom to be, 35-year-old brian bond, was knocked unconscious during the collision. He's the one who called 911 when he came to. Bond is now recovering from a broken eye socket and preparing for two funerals instead of his wedding. Some witnesses are questioning whether there were enough lights on the barge. Investigators say it was difficult to see late at night on the water. Authorities who are responsible for the barge say they are reviewing their safety procedes.

This transcript has been automatically generated and may not be 100% accurate.